Spread Windows Forms 7.0 Product Documentation
Interoperability of Grouping with Other Features
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Spread Windows Forms 7.0 Product Documentation > Developer's Guide > Customizing Row or Column Interaction > Managing Grouping of Rows of User Data > Interoperability of Grouping with Other Features

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The grouping feature affects the display and is not intended to work with some other features of Spread that also work with the display of the spreadsheet. When grouping happens, the data model is changed and a new model (the GroupDataModel) is used. Many features are not affected by grouping at all, but some features, listed below, are not intended to operate with grouping. In general, if the feature involves the appearance or interactivity of the sheet or column, check the list to see if it is affected by grouping.

Some formatting features can work with grouping, but need to be applied after grouping occurs. If you need to format cells (colors, locked, etc.), you must apply the formatting after grouping.

After grouping rows, you should not change the column count and row count. The GroupDataModel does not support changing the column or row count. To add or remove columns or rows, you need to call the original data model methods. You can access the original data model using TargetModel property of the GroupDataModel class.

Grouping and hidden columns work together.

The grouping feature affects only the visual display. Such things as export and printing are not affected. Grouping and input maps or action maps work together.

Features That Do Not Interoperate with Grouping

These features do not interoperate with grouping in Spread.

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